Performance Evaluation of a Blockchain-based Content Distribution over Wireless Mesh Networks

Y. Ohba, Jing Yi Koh, N. Ng, S. Keoh
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Abstract

This paper studies the performance of a proximity content distribution scheme over IEEE 802.11s mesh networks with reasonable user density among combinations of three network configurations and two transport mechanisms. For content access control, Hyperledger Sawtooth Blockchain with PoET (Proof of Elapsed Time) consensus algorithm is used as a decentralised storage of non-repudiated and rapid transactions for granting content access and distributing the content decryption key. An extensive performance evaluation of the content distribution and content access control protocols using ns-3 simulator was conducted. The results show that the integration of Blockchain and UDP multicast content distribution in a hybrid mesh network topology is highly feasible.
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基于区块链的无线Mesh网络内容分发性能评估
在三种网络配置和两种传输机制的组合下,研究了一种具有合理用户密度的IEEE 802.11s mesh网络上的近距离内容分发方案的性能。对于内容访问控制,Hyperledger锯齿区块链与PoET(经过时间证明)共识算法被用作不可否认和快速交易的分散存储,用于授予内容访问和分发内容解密密钥。利用ns-3模拟器对内容分发和内容访问控制协议进行了广泛的性能评估。结果表明,在混合网状网络拓扑下,区块链和UDP组播内容分发的集成是高度可行的。
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